High Pressure Tungsten Carbide Washers Valve Seat High Accuracy ±0.02 mm Tolerance

Basic Information
Place of Origin: China
Brand Name: XYMJ
Certification: ISO 9001:2018
Model Number: Customized
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Inner packing: wrapped by bubble bag,foam. Outer packing: standard export carton
Delivery Time: 7-15
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000 kilograms per month
Detail Information
Material: Alloy, Tungsten Carbide WC+Co Pressure: High Pressure
Tolerance: ±0.02 Mm Or As Per Requirement Product Name: Cemneted Carbide Valve Seat And Ball
Free Sample: Yes Surface: AS PER REQUEST
High Light:

tungsten carbide seat


ball valve seat

Product Description

High Precision Tungsten Carbide Washers Valve Seat


Valve balls and valve seats are widely used in oil fields , their performance directly affects the use effect and service life of the pumps.
Each ball-and-seat combination is vacuum tested to ensure a perfect seal is obtained in all positions of contact.

For sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells,high pressure sulfur resistant oil wells, compatible Cemented Carbide valve seats, etc.Various grades for cemented carbide balls/pellets can be supplied according to customer's drawings.The surface finish,tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry.


Grade List 


Grade ISO Code Chemical Composition(%) Physical Mechanical Properties (≥) Application
WC Co Density g/cm3 Hardness(HRA) T.R.S N/mm2
YG3 K01 97 3 14.90 91.00 1180 Suitable for finishing of cast iron,non-ferrous metals,alloys and non-metallic materials,and semi-finishing vehicles for intermittent cutting.
YG6 K10 94 6 15.10 92.00 1420 Finishing of chilled hard alloy cast iron and heat resistant alloy steel and ordinary cast iron.
YG6X K20 94 6 15.10 91.00 1600 Cast iron, non-ferrous metals and alloys, non-metallic materials, medium to cutting, semi-finishing and finishing.
YG8 K20-K30 92 8 14.90 90.00 1600 Suitable for casting of cast iron, non-ferrous metals and their alloys and non-metallic materials, roughing of sections and rough cutting.
YG10 K40 90 10 14.70 89.00 1900 Suitable for the production of drawing dies, wear parts and stamping parts and cores for hard alloy automatic presses.
YG10X K40 89 10 14.70 89.50 2200 Suitable for small diameter micro drills, end mills, rotary boring tools, etc.
YG15 K30 85 15 14.70 87.00 2100 Forging, perforating and stamping tools for steel bars and steel tubes with high compression ratios and working under large stresses.
YG20 K30 80 20 13.70 85.50 2500 Stamping die, stamping watch parts, musical instrument spring piece.
YG20C K40 80 20 13.70 82.00 2200 punching battery case, toothpaste skin mold, small size steel ball, screw, nut stamping die, hot rolling twist drill bit plate.
YG30 G60 70 30 12.80 82.00 2750 Production of standard parts, bearings, tools and other industries for cold heading, cold punching, cold pressing die.


Grade and applicaton for valve seat


Grade Co (wt%) Density (g/cm³) Hardness(HRA) TRS (≥N/mm²) Application
XC100 5.8-6.2 14.6-15.0 91.5-92.5 2000 Wear-resistant
XC101 5.8-6.2 14.6-15.0 91.5-92.5 2500
XC200 7.8-8.2 14.5-14.9 91.0-92.0 2100
XC201 7.8-8.2 13.5-14.9 91.0-92.0 2800
XC300 9.8-10.3 14.2-14.6 90.5-91.5 2600
XC301 9.8-10.3 14.2-14.6 90.5-91.5 3200
Grade Ni (wt%) Density (g/cm³) Hardness (HRA) TRS (≥N/mm²) Application
XN100 6.5-7.5 14.5-14.8 88.5-91.0 1800 Corrosion-resistant
XN101 6.5-7.5 14.5-14.8 88.5-91.0 2200
XN300 10.0-11.0 14.2-14.6 86.5-89.5 2100
XN301 10.0-11.0 14.2-14.6 86.5-89.5 2400


High Pressure Tungsten Carbide Washers Valve Seat High Accuracy ±0.02 mm Tolerance 0

Seats dimension (mm)
D d H
19.48 11.68 12.7
22.66 13.97 12.7
28.22 17.02 12.7
33.81 20.96 12.7
36.09 24.38 12.7
41.43 26.92 12.7
48.79 33.27 12.7
74.93 43.18 19.05


High Pressure Tungsten Carbide Washers Valve Seat High Accuracy ±0.02 mm Tolerance 1

Ball dimension (mm)


Production Process


High Pressure Tungsten Carbide Washers Valve Seat High Accuracy ±0.02 mm Tolerance 2




Q1: Are you the real reliable factory or just a trader company?
A1: We are the REAL factory located in Zigong ,China, we currently have over than 80 employees.


Q2: There have many companies called they are 'factory', how can I identified the truth?
A2: tips1, Familiar with the processing equipment which are for produce to your required products, and visit their company as well as their processing equipment.
tips-2, Appoint one of your reliable friend who is in China to visit their factory.
tips-3, Check their Certs and proof of its authenticity, instead to only check the PS version superficially.
tips-4, Searching on the Satellite maps to check their location.
tips 5, In fact, almost every company can apply for the Certs, but, only the factory can get the patents (such as: invention patent, utility patent or design patent) for their product, and a small factory or a trading company havn't the R&D support to apply patents.
tip-6, Factory are always available to take the photos at any time during the production process.


Q3: Can you give warranty of your products?
A3: Yes, we 100% satisfaction guarantee on all items. we have the independent inspection Dep.with the complete advanced product quality instrumentation to carry out IQC, PQC & FOC, the detailed inspection pictures and report will be sent to you for confirmation before delivery.
In case there have quality problem, just pls kindly to provide the pictures to show the problem by email,
we will 100% responsible for our problems and to provide the replacements to you at our costs.


Q4: Can we get support if we have our own market position?
A4: Please inform us your detailed mind on your market demand, we will discuss and propose helpful suggestion for you, to find the best solution for you.


Contact Details